// 
*{
    margin: 0;
    padding: 0;
}
#app{
    width: 100%;
    height: 100vh;
    .sideBar{
        position: fixed;
        top: 0;
        left: 0;
        width: 210px;
        background: #304156;
        height: 100%;
        color: rgb(191, 203, 217);
        .el-submenu__title,.el-menu-item{
            display: flex;
            align-items: center;
        }
        .el-menu{
            border: none;
        }
    }
    .main-container{
        margin-left: 210px;

    }
}